Publicists for Melissa Etheridge and Tammy Lynn Michaels issued a statement Tuesday announcing that the couple are engaged and planning to wed at the end of 2003. Etheridge and Michaels have been dating for more than a year. This will be the first wedding for two-time Grammy winner Etheridge, 41, and for former Popular star Michaels, 28. Etheridge is coparenting two children from her previous relationship with filmmaker Julie Cypher.